Model comparison
GPT-6 Sol vs Granite 4.0 H Small
GPT-6 Sol is the stronger model overall, scoring 61.8 to 36.5 on the Noometry Index.
Last verified . 14 shared benchmarks.
Summary
- They share 14 benchmarks with published results for both. GPT-6 Sol scores higher in 8 categories and Granite 4.0 H Small in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-6 Sol leads 87.2 to 31.4.
- Granite 4.0 H Small has downloadable open weights; the other is API-only.
Side by side
| GPT-6 Sol | Granite 4.0 H Small | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 61.8 | 36.5 |
| Released | 2026-09-22 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 45 | 19 |
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Category by category
Coding GPT-6 Sol leads
GPT-6 Sol: 60.1 (#11), Granite 4.0 H Small: 36.4 (#209)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Coding | 1447 | 1249 |
| DeepSWE | 68.8% | — |
| FrontierCode | 49.3% | — |
| LMArena WebDev | 1688 | — |
| SciCode | 57.6% | — |
| ALE-Bench | 2,462 | — |
Agentic & Tool Use Not comparable
GPT-6 Sol: 37.2 (#36), Granite 4.0 H Small: —
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| APEX-Agents | 54.3% | — |
| GDP.pdf | 26.4% | — |
| Vending-Bench 2 | 14,428 | — |
Reasoning GPT-6 Sol leads
GPT-6 Sol: 74.0 (#9), Granite 4.0 H Small: 24.4 (#163)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Hard Prompts | 1418 | 1240 |
| ARC-AGI-2 | 89.6% | — |
| NYT Connections (extended) | 90.1% | — |
| ARC-AGI-1 | 95.5% | — |
| CritPt | 30.9% | — |
| EBR-Bench | 53.3% | — |
| Mystery Game Puzzles | 56% | — |
| DTBench | 97.3% | — |
| LMCA | 59.1% | — |
| Epoch Capabilities Index | 162.72 | — |
Math GPT-6 Sol leads
GPT-6 Sol: 87.2 (#7), Granite 4.0 H Small: 31.4 (#223)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Math | 1402 | 1247 |
| FrontierMath (Tiers 1-3) | 89.8% | — |
| FrontierMath Tier 4 | 90% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 83% | — |
| Omni-MATH | — | 29.6% |
Knowledge GPT-6 Sol leads
GPT-6 Sol: 64.8 (#15), Granite 4.0 H Small: 32.0 (#215)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| Vectara Hallucination Rate | 6.5% | 5.2% |
| LMArena Expert | 1439 | 1251 |
| GPQA Diamond | 94.3% | — |
| SimpleQA Verified | 60.7% | — |
| MMLU-Pro | — | 56.9% |
| GPQA (HELM) | — | 38.3% |
Multimodal Not comparable
GPT-6 Sol: 47.6 (#10), Granite 4.0 H Small: —
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Vision | 1245 | — |
| Blueprint-Bench 2 | 36.9% | — |
| Furniture Assembly | 58.3% | — |
Multilingual GPT-6 Sol leads
GPT-6 Sol: 50.5 (#118), Granite 4.0 H Small: 38.6 (#228)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Non-English | 1385 | 1216 |
| LMArena Chinese | 1405 | 1249 |
| LMArena Russian | 1401 | 1201 |
| LMArena Spanish | 1384 | 1258 |
| LMArena French | 1410 | — |
| LMArena German | 1390 | — |
| LMArena Japanese | 1385 | — |
| LMArena Korean | 1341 | — |
Instruction Following GPT-6 Sol leads
GPT-6 Sol: 74.5 (#94), Granite 4.0 H Small: 68.7 (#183)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Instruction Following | 1412 | 1222 |
| IFEval | — | 89% |
Long Context GPT-6 Sol leads
GPT-6 Sol: 43.1 (#108), Granite 4.0 H Small: 37.7 (#213)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Longer Query | 1411 | 1242 |
Writing & Preference GPT-6 Sol leads
GPT-6 Sol: 71.9 (#18), Granite 4.0 H Small: 43.8 (#227)
| Benchmark | GPT-6 Sol | Granite 4.0 H Small |
|---|---|---|
| LMArena Text | 1395 | 1241 |
| LMArena Creative Writing | 1378 | 1211 |
| LMArena Multi-Turn | 1412 | 1242 |
| EQ-Bench Creative Writing | 2125 | — |
| WildBench | — | 73.9% |
Frequently asked questions
Is GPT-6 Sol better than Granite 4.0 H Small?
GPT-6 Sol is the stronger model overall, scoring 61.8 to 36.5 on the Noometry Index.
Is GPT-6 Sol or Granite 4.0 H Small better for coding?
GPT-6 Sol scores higher on coding benchmarks: 60.1 versus 36.4 in the Noometry coding category.
How many benchmarks do GPT-6 Sol and Granite 4.0 H Small share?
14 benchmarks have published results for both models. GPT-6 Sol has 45 scored results on Noometry and Granite 4.0 H Small has 19.